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package kiwi.core.service.reasoning;

import java.util.ArrayList;

import javax.inject.Scope;

import kiwi.core.api.reasoning.ProgramLoader;

/** Helper class to load rule programs from Strings. Useful for tests.
 * 
 * 
 * @author Jakub Kotowski
 *
 */
@Scope(ScopeType.STATELESS)
@AutoCreate
@Name("stringProgramLoader")
public class StringProgramLoader extends ProgramLoader {
	ArrayList<String> lines;
	Log log = Logging.getLog(this.getClass());
	
	public StringProgramLoader() {
		lines = new ArrayList<String>();
	}
	
	public String getProgramContent(String name) {
		log.info("Loading a previously set string program.");
		StringBuffer buf = new StringBuffer();
		
		for (String line : lines) {
			buf.append(line).append("\n");
		}
		return buf.toString();
	}

	public void addLine(String line) {
		lines.add(line);
	}	
}
